Studio—4 hours; lecture/discussion—2 hours. Prerequisite: DES 1, 14 (or 21), 15, 16, (21 recommended) or consent of instructor. Priority given to Design majors. Computer assisted drawing and modeling using a mid-level, multi-use CAD program. Basic architectural drawing and modeling technique in both two-dimensional and three-dimensional CAD environments. Not open for credit to students who have taken course 150.